path: root/swarm/network/stream/lightnode_test.go

// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package stream

import (
    "testing"

    p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
)

// This test checks the default behavior of the server, that is
// when it is serving Retrieve requests.
func TestLigthnodeRetrieveRequestWithRetrieve(t *testing.T) {
    registryOptions := &RegistryOptions{
        Retrieval: RetrievalClientOnly,
        Syncing:   SyncingDisabled,
    }
    tester, _, _, teardown, err := newStreamerTester(registryOptions)
    if err != nil {
        t.Fatal(err)
    }
    defer teardown()

    node := tester.Nodes[0]

    stream := NewStream(swarmChunkServerStreamName, "", false)

    err = tester.TestExchanges(p2ptest.Exchange{
        Label: "SubscribeMsg",
        Triggers: []p2ptest.Trigger{
            {
                Code: 4,
                Msg: &SubscribeMsg{
                    Stream: stream,
                },
                Peer: node.ID(),
            },
        },
    })
    if err != nil {
        t.Fatalf("Got %v", err)
    }

    err = tester.TestDisconnected(&p2ptest.Disconnect{Peer: node.ID()})
    if err == nil || err.Error() != "timed out waiting for peers to disconnect" {
        t.Fatalf("Expected no disconnect, got %v", err)
    }
}

// This test checks the Lightnode behavior of server, when serving Retrieve
// requests are disabled
func TestLigthnodeRetrieveRequestWithoutRetrieve(t *testing.T) {
    registryOptions := &RegistryOptions{
        Retrieval: RetrievalDisabled,
        Syncing:   SyncingDisabled,
    }
    tester, _, _, teardown, err := newStreamerTester(registryOptions)
    if err != nil {
        t.Fatal(err)
    }
    defer teardown()

    node := tester.Nodes[0]

    stream := NewStream(swarmChunkServerStreamName, "", false)

    err = tester.TestExchanges(
        p2ptest.Exchange{
            Label: "SubscribeMsg",
            Triggers: []p2ptest.Trigger{
                {
                    Code: 4,
                    Msg: &SubscribeMsg{
                        Stream: stream,
                    },
                    Peer: node.ID(),
                },
            },
            Expects: []p2ptest.Expect{
                {
                    Code: 7,
                    Msg: &SubscribeErrorMsg{
                        Error: "stream RETRIEVE_REQUEST not registered",
                    },
                    Peer: node.ID(),
                },
            },
        })
    if err != nil {
        t.Fatalf("Got %v", err)
    }
}

// This test checks the default behavior of the server, that is
// when syncing is enabled.
func TestLigthnodeRequestSubscriptionWithSync(t *testing.T) {
    registryOptions := &RegistryOptions{
        Retrieval: RetrievalDisabled,
        Syncing:   SyncingRegisterOnly,
    }
    tester, _, _, teardown, err := newStreamerTester(registryOptions)
    if err != nil {
        t.Fatal(err)
    }
    defer teardown()

    node := tester.Nodes[0]

    syncStream := NewStream("SYNC", FormatSyncBinKey(1), false)

    err = tester.TestExchanges(
        p2ptest.Exchange{
            Label: "RequestSubscription",
            Triggers: []p2ptest.Trigger{
                {
                    Code: 8,
                    Msg: &RequestSubscriptionMsg{
                        Stream: syncStream,
                    },
                    Peer: node.ID(),
                },
            },
            Expects: []p2ptest.Expect{
                {
                    Code: 4,
                    Msg: &SubscribeMsg{
                        Stream: syncStream,
                    },
                    Peer: node.ID(),
                },
            },
        })

    if err != nil {
        t.Fatalf("Got %v", err)
    }
}

// This test checks the Lightnode behavior of the server, that is
// when syncing is disabled.
func TestLigthnodeRequestSubscriptionWithoutSync(t *testing.T) {
    registryOptions := &RegistryOptions{
        Retrieval: RetrievalDisabled,
        Syncing:   SyncingDisabled,
    }
    tester, _, _, teardown, err := newStreamerTester(registryOptions)
    if err != nil {
        t.Fatal(err)
    }
    defer teardown()

    node := tester.Nodes[0]

    syncStream := NewStream("SYNC", FormatSyncBinKey(1), false)

    err = tester.TestExchanges(p2ptest.Exchange{
        Label: "RequestSubscription",
        Triggers: []p2ptest.Trigger{
            {
                Code: 8,
                Msg: &RequestSubscriptionMsg{
                    Stream: syncStream,
                },
                Peer: node.ID(),
            },
        },
        Expects: []p2ptest.Expect{
            {
                Code: 7,
                Msg: &SubscribeErrorMsg{
                    Error: "stream SYNC not registered",
                },
                Peer: node.ID(),
            },
        },
    }, p2ptest.Exchange{
        Label: "RequestSubscription",
        Triggers: []p2ptest.Trigger{
            {
                Code: 4,
                Msg: &SubscribeMsg{
                    Stream: syncStream,
                },
                Peer: node.ID(),
            },
        },
        Expects: []p2ptest.Expect{
            {
                Code: 7,
                Msg: &SubscribeErrorMsg{
                    Error: "stream SYNC not registered",
                },
                Peer: node.ID(),
            },
        },
    })

    if err != nil {
        t.Fatalf("Got %v", err)
    }
}